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Mathematics

2 answers:

Lubov Fominskaja [6]3 years ago

6 0

Answer:

I think the answer is 30..

Step-by-step explanation:

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zaharov [31]3 years ago

5 0

Answer:

The answer would be B.) 30.

Step-by-step explanation:

If it took 15 workers 20 day, and you want to split it so it gets done in 10 days, you would want 15 more workers to get the job done quicker, doing this would have you a total of 30 workers.

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A bag contains five red marbles, two orange marbles, one yellow marble, and two green marbles. Two marbles are drawn from the ba

Anvisha [2.4K]

The answer is

$\frac{2}{10} \div \frac{2}{9} = .04444$
the probability of choosing an orange marble is 2/10 because there are 2 orange marbles and 10 marbles in total.

the probability of choosing a green marble is 2/9 because there are 2 green marbles and 9 marbles in total (because you already picked one marble out of the bag thereby decreasing the total number of marbles in all).

when you multiply the probability of these two events you get .04444 which is the probability of both events happening simultaneously.

4 0

3 years ago

Read 2 more answers

4. Find the value of x.

oksano4ka [1.4K]

Answer:

x = 50°

Step-by-step explanation:

The sum of the measures of the angles of a quadrilateral is 360°

360 - 40 - 80 - 110 = 130

130 is the measure of the quad that is adjacent to the angle of x° and is supplementary to that angle also.

Therefore, x = 180 - 130 = 50